Use custom build of ev3-api, and own screen refresh

TODO.md

@@ -0,0 +1,6 @@
+* [ ] try unlink ELF file before uploading
+* [ ] implement serialPoll
+* [ ] try some motors
+
+## Further down
+* [ ] have some protocol for restarting user app if it's running (flag file somewhere?)

editor/wrap.ts

@@ -117,6 +117,14 @@ namespace pxt.editor {
                     }).filter(v => !!v))
         }
 
+        rmAsync(path: string): Promise<void> {
+            let rmReq = this.allocSystem(path.length + 1, 0x9c)
+            U.memcpy(rmReq, 6, U.stringToUint8Array(path))
+
+            return this.talkAsync(rmReq)
+                .then(resp => { })
+        }
+
         private initAsync() {
             return Promise.resolve()
         }

libs/core/buttons.cpp

@@ -137,7 +137,10 @@ Button *getButton(int id) {
 }
 
 void target_init() {
-    InitEV3();
+    OutputInit();
+	ButtonLedInit();
+	SoundInit();
+
     getWButtons(); // always on - handles ESCAPE key
     DMESG("runtime started [%s]", HardwareVersionString());
 }

libs/core/linux.cpp

@@ -262,6 +262,7 @@ void dumpDmesg() {
     // TODO
 }
 
+void screen_init();
 void initRuntime() {
     daemon(1, 1);
     startTime = currTime();
@@ -270,6 +271,7 @@ void initRuntime() {
     pthread_create(&disp, NULL, evtDispatcher, NULL);
     pthread_detach(disp);
     target_init();
+    screen_init();
     startUser();
 }
 

libs/core/pxt.json

@@ -19,7 +19,7 @@
         "test.ts"
     ],
     "npmDependencies": {
-        "ev3api-bin": "1.0.0"
+        "ev3api-bin": "1.1.0"
     },
     "public": true,
     "dependencies": {

libs/core/screen.cpp

@@ -1,5 +1,6 @@
 #include "pxt.h"
 #include "ev3.h"
+#include <pthread.h>
 
 /**
 * Drawing modes
@@ -24,32 +25,19 @@ enum class ScreenFont {
 // We only support up to 4 arguments for C++ functions - need to pack them on the TS side
 namespace screen {
 
-extern "C" {
-void DisplaySetPixel(byte X, byte Y);
-void DisplayClrPixel(byte X, byte Y);
-void DisplayXorPixel(byte X, byte Y);
-}
-
-void pokeScreen() {
-    DisplayXorPixel(0, 0);
-    DisplayXorPixel(0, 0);
-}
 
 //%
 void _drawLine(uint32_t p0, uint32_t p1, Draw mode) {
-    DMESG("line %x %x %x", p0, p1, mode);
     LineOutEx(XX(p0), YY(p0), XX(p1), YY(p1), (uint32_t)mode);
 }
 
 //%
 void _drawRect(uint32_t p0, uint32_t p1, Draw mode) {
-    DMESG("rect %x %x %x", p0, p1, mode);
     RectOutEx(XX(p0), YY(p0), XX(p1), YY(p1), (uint32_t)mode);
 }
 
 //%
 void _drawEllipse(uint32_t p0, uint32_t p1, Draw mode) {
-    DMESG("ellip %x %x %x", p0, p1, mode);
     EllipseOutEx(XX(p0), YY(p0), XX(p1), YY(p1), (uint32_t)mode);
 }
 
@@ -69,8 +57,6 @@ void clear() {
 //%
 void scroll(int v) {
     LcdScroll(v);
-    pokeScreen(); // missing in ev3-api
-    //LcdUpdate();
 }
 
 /** Set font for drawText() */
@@ -79,3 +65,23 @@ void setFont(ScreenFont font) {
     LcdSelectFont((uint8_t)font);
 }
 }
+
+namespace pxt {
+
+void *screenRefresh(void *dummy) {
+    while (true) {
+        sleep_core_us(30000);
+        LcdUpdate();
+    }
+}
+
+void screen_init() {
+    LcdInitNoAutoRefresh();
+    LcdClean();
+
+    pthread_t pid;
+    pthread_create(&pid, NULL, screenRefresh, NULL);
+    pthread_detach(pid);
+}
+
+}